Wound closures;Zips for use as temporary wound closures;Zippers adapted for use as temporary wound closures;Suture and wound closing materials and products;Medical devices for closing wounds;Respiratory masks for medical purposes;Oxygen masks for medical purposes;Asphyxial neonates respirators;Cardiopulmonary resuscitation masks;Respiratory therapy instruments;Inserts for breathing masks for surgical use;Apparatus for the treatment of breathing difficulties;Respiration monitors for medical use;Inserts for breathing masks for medical use;LED masks for therapeutic purposes.;